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Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below: Figure: Class with attributes and operations A
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
definition and its work
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
Why older data models are being replaced by new data modelling 100 words accepted#
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
(a) Why did SAP introduce the extended star schema?
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
gyan gurukul is a software company that provides software related solution.
In problems 1 - 4, you are given the columns of a table, and a set of functional dependencies. Determine the normal form of this table. Remember that the normal form is the HIGHE
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